swamp gas

短语

发音

US

释义与例句

n.
  1. 1.

    Gases emitted from a swamp.

    不可数

    Swamp gas occasionally catches fire. Sometimes lightning sets off a patch of swamp gas.

  2. 2.

    Hydrogen sulfide.

    非正式 不可数 化学
  3. 3.

    A skeptical explanation that is provided in order to debunk a UFO sighting that a believer regards as ludicrous, illogical or disingenuous.

    不可数 宗教 神话 哲学

    He explained away an especially peculiar sighting with another helping of good old swamp gas.

词源

* (hydrogen sulfide): So called because it is often emitted from wetlands such as swamps as a result of anaerobic bacteria, and is responsible for their foul “rotten egg” odor. * (ufology): An explanation given by then-skeptic J. Allen Hynek for an alleged UFO sighting in Michigan near Lake Huron in 1966.

来源：wiktionary